CN102062036B - Method and device for ascertaining a temperature of a sheathed-element glow plug in an internal combustion engine - Google Patents
Method and device for ascertaining a temperature of a sheathed-element glow plug in an internal combustion engine Download PDFInfo
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- CN102062036B CN102062036B CN201010544082.8A CN201010544082A CN102062036B CN 102062036 B CN102062036 B CN 102062036B CN 201010544082 A CN201010544082 A CN 201010544082A CN 102062036 B CN102062036 B CN 102062036B
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- hot head
- temperature difference
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
- F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
- F02P19/025—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs with means for determining glow plug temperature or glow plug resistance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0614—Actual fuel mass or fuel injection amount
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
- F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention relates to a method and device for ascertaining a temperature of a sheathed-element glow plug in an internal combustion engine. The temperature difference between the temperature of a glow plug heater inside the sheathed-element glow plug (2) and a temperature at an arbitrary location on the sheathed-element glow plug (2) is determined by at least one operating parameter (q,n,mAir,p,TAir) of the internal combustion engine and/or one operating parameter of the sheathed-element glow plug (2). In order to accurately determine the temperature difference between the temperature of the sheathed-element glow plug at the outer position of the heater and the temperature of the heater of the sheathed-element glow plu, the temperature differentce (Delta Tinstat) is determined according to the time function and the temperature (T) of the sheathred-element glow plug (2) is obtained in the temperature difference (Delta Tinstat) depending on the time function.
Description
Technical field
The present invention relates to a kind of red-hot head for determining in internal-combustion engine to ignite the method for temperature of plug and a kind of device for implementing the method, wherein between red-hot head ignites temperature that the temperature of the inner red-hot head heater of plug and red-hot head ignite on the arbitrary position of plug, trying to achieve temperature difference according to the ignite running parameter of plug of internal-combustion engine at least one running parameter and/or red-hot head.
Background technique
In internal-combustion engine, have the heater that plug of being ignited by cold red-hot head is preheating to uniform temperature for the red-hot head of fire fuel air mixture plug of igniting, this temperature is so high, makes it be enough to fire fuel air mixture.But be very uneven from heater to the whole red-hot head temperature distribution of igniting beyond the Great Wall, thus ignite fill on surface between temperature to there is temperature difference at the ignite temperature of the inner heater of plug and red-hot head of red-hot head.
Because described red-hot head is ignited, plug stretches in the firing chamber of internal-combustion engine, so red-hot head is ignited, the total surface of plug cools by flowing through the ignite air stream of plug of red-hot head as fuel air mixture when internal-combustion engine dynamic operation, thus described red-hot head is ignited, the surface of plug never has red-hot head and to ignite the temperature of the inner heater of plug.
By EP 1 719 909 B1 disclose a kind of for run red-hot head ignite plug method, this red-hot head ignite plug be arranged in the firing chamber of internal-combustion engine.According to combustion temperature and red-hot head ignite plug thermometer calculate red-hot head ignite plug cooling behavior.From the electric power that plug of being ignited by red-hot head consumes, calculate red-hot head to ignite the temperature of plug, the combustion temperature in firing chamber is then determined according to the rotating speed of air temperature, cooling water temperature, internal-combustion engine and load.
If regulate red-hot head to ignite the temperature of plug, so this realizes according to ignite resistance of red-hot silk of the inner guiding electric current of plug of red-hot head, therefrom tries to achieve the adjustment actual value of temperature.At this, the temperature of red-hot silk is higher, and resistance is larger.Due to occurred temperature difference, the ignite quality of adjustment of Sai Wendu of described red-hot head is not enough because this be not based on red-hot head ignite plug surface on the actual temperature occurred.
Summary of the invention
Task of the present invention illustrates that a kind of red-hot head for determining in internal-combustion engine is ignited the method for temperature of plug and device, and on its position can determining heater outside, red-hot head is ignited the temperature difference between temperature that the temperature of plug and red-hot head ignite on the heater filled in.
By the present invention, this task solves by the following method, namely according to function of time determination temperature difference, and from the temperature value representing measured value and the temperature difference affected by the function of time, tries to achieve described red-hot head to ignite the temperature of plug.The invention has the advantages that, in the dynamic operation of internal-combustion engine, namely determine described temperature difference when the condition transformation of the working method of internal-combustion engine.Consider at this, flow through the ignite fuel air mixture of plug of red-hot head according to the working state of internal-combustion engine with different speed and amount and can affect the temperature that red-hot head ignites on plug surface.Thus, can red-hot head ignite plug astable operation in accurately determine red-hot head ignite plug temperature.Described application can be extra the measurement red-hot head thermocouple of temperature of igniting on the arbitrary position of plug.
The described function of time is advantageously determined by time constant, once for red-hot head plug of igniting is tried to achieve and preserves described time constant.Thus, little value is only needed to be used for determining temperature difference.At this, the described time constant red-hot head described in the cylinder involved by internal-combustion engine ignite plug thermal inertia, this thermal inertia is identical for all calculation procedures.
In another embodiment, according to the rotating speed of internal-combustion engine in dynamic driving mode or load or according to be applied to voltage that red-hot head ignites beyond the Great Wall in other words the ignite power of plug of red-hot head correct described time constant.
In addition, the described function of time represents the effect that current temperature difference of trying to achieve is subject to previous temperature difference.
In a kind of design proposal, by exponential function or power series, the impact produced current temperature difference of trying to achieve by previous temperature difference is described.Described exponential function especially accurately represents, how severe the impact that current temperature difference is subject to previous temperature difference has.
In a kind of improvement project, measure the running parameter of internal-combustion engine and/or red-hot head and ignite the characteristic of plug for trying to achieve the temperature difference of stable state when engine stabilizer runs, and therefrom calculate the temperature difference of stable state.Consider internal-combustion engine running parameter in other words red-hot head ignite plug characteristic make it possible to determine described temperature difference accurately, because this has reflected that internal-combustion engine and red-hot head are ignited the virtual condition of plug, this will include red-hot head in and to have ignited the calculating of temperature difference of plug.
When engine stabilizer in internal-combustion engine runs, advantageously measure rotating speed and the emitted dose of internal-combustion engine, from this rotating speed and emitted dose, calculate the first temperature difference of stable state.Because detect described running parameter for analyzing other situation of internal-combustion engine, do not need extra hardware cost for obtaining described survey data yet.
As an alternative, measure during non-moving air in internal-combustion engine and to be ignited the power that plug consumes by red-hot head, need this power for realizing the temperature provided in advance determined, and therefrom calculate the second temperature difference of stable state.The advantage of described processing procedure is, the ignite controller of heating temperature of plug of the red-hot head of responsible monitoring of automobile can try to achieve described second temperature difference without other supplementary means independently.At this, always follow red-hot head ignite plug special heat generation parameter.
In another flexible program, in internal-combustion engine, measure the boost pressure of air quality and/or air quality and the temperature of air quality, and therefrom calculate the 3rd temperature difference.In this case, also for other object in internal-combustion engine has tried to achieve the running parameter calculated needed for the 3rd temperature difference, thus can save sensor surveying is in other words provided extraly.
In a kind of improvement project, to depend on that the temperature difference of the function of time is supplied to red-hot head and ignites the adjustment of temperature of plug, wherein determine that this red-hot head is ignited the temperature value of representative measured value of plug according to the ignite resistance of red-hot silk of guiding electric current of plug of red-hot head, wherein temperature difference being added to red-hot head ignites on the temperature value of the representative measured value filled in, and obtains thus and regulates actual value.By using the function of time for determining temperature difference, in adjustment, consider that hot-fluid needs the regular hour from the red-hot head inner red-hot silk of plug of igniting to the ignite outside of plug of red-hot head.In adjustment, consider this time deviation and quality of regulation is improved now.
Another improvement project relates to a kind of for determining that red-hot head in internal-combustion engine is ignited the device of temperature of plug, wherein ignites between temperature that the temperature of plug heater and red-hot head ignite on the arbitrary position of filling in according at least one running parameter of internal-combustion engine try to achieve temperature difference at the red-hot head inner red-hot head of plug of igniting.In order to can determine heater outside position on the red-hot head temperature difference of igniting between temperature that the temperature of plug and red-hot head ignite on the heater filled in, exist according to function of time determination temperature difference and try to achieve red-hot head to ignite the mechanism of the temperature of filling in from representing the temperature value of measured value and described temperature difference.This has the following advantages, and namely in the dynamic operation of internal-combustion engine, namely determines described temperature difference and red-hot head is ignited during the characteristic changing filled in when the condition transformation of the working method of internal-combustion engine.At this, especially consider by flow through in a combustion chamber red-hot head ignite plug fuel air mixture cool constantly this red-hot head ignite plug surface.
In a kind of design proposal, the red-hot head stretched in the firing chamber of internal-combustion engine is ignited to fill in and is connected with controller, and this controller determines according to the running parameter of internal-combustion engine the temperature difference depending on the function of time.Different controllers can be used at this.In order to regulate red-hot head ignite plug temperature, be provided with the cooperative fever time controller with the engine controller of internal-combustion engine, wherein engine controller provides the measured running parameter for determining temperature difference to fever time controller.Then, in fever time controller, regulate red-hot head ignite plug temperature time consider determined temperature difference, wherein this temperature difference is added to the depending in the temperature that the resistance of temperature is determined of red-hot silk of guiding electric current of plug of igniting according to red-hot head.That so tries to achieve may be used for controlling regulating in other words red-hot head to ignite the temperature of filling in heater and the red-hot head temperature difference of filling on surface between point of igniting.
Accompanying drawing explanation
The present invention allows a large amount of mode of executions.Should be explained in detail one of described mode of execution according to the accompanying drawing shown in figure.
Wherein:
Fig. 1 is that red-hot head is ignited the schematic diagram of the deployment scenarios of plug in internal-combustion engine,
Fig. 2 is the schematic flow chart of the temperature difference between temperature for calculating heater and the red-hot head temperature of igniting on the arbitrfary point of filling in.
Embodiment
Cold internal-combustion engine especially diesel engine needs starting aid for lighting the fuel air mixture imported in diesel engine when ambient temperature < 40 DEG C.Use heat-generating system as starting aid, this heat-generating system is made up of ignite plug, fever time controller and the heating software be kept in engine controller of red-hot head.
Fig. 1 shows such heat-generating system 1.At this, red-hot head plug 2 of igniting stretches in the firing chamber 3 of diesel engine 4.This red-hot head plug 2 one aspect of igniting is connected with fever time controller 5, and guides on vehicle carried power voltage 6 on the other hand, and this vehicle carried power voltage triggers described red-hot head with the voltage rating of such as 11V and to ignite plug 2.Described fever time controller 5 is connected with engine controller 7, and this engine controller is guided to again on diesel engine 4.
In order to fire fuel air mixture, in the promotion stage (Push-Phase), carry out preheating, this promotion phase lasts 1 to 2 seconds by applying overvoltage plug 2 of being ignited by red-hot head.Input the ignite electric energy of plug 2 of red-hot head thus and convert heat in the heating coil do not illustrated further, the temperature of therefore igniting on the tip of plug 2 at red-hot head steeply rises.The thermal power of described heating coil coordinates the requirement of corresponding diesel engine 4 by the fever time controller 5 of electronics.Fuel air mixture red-hot head ignite plug 2 heat most advanced and sophisticated side by and heated in this process.The firing temperature of fuel air mixture is realized with being associated with the suction air heating during the compressor stroke of diesel engine 4.
To explain that red-hot head is ignited the defining method of temperature difference Δ T of plug 2 by means of Fig. 2, this temperature difference from heter temperature and red-hot head ignite the position plug 2 surface temperature between difference in obtain.The running parameter of diesel engine 4 is measured in the square frame 101 of Fig. 2.The air quality m of rotating speed n, the emitted dose q of diesel engine 4, the air stream of flowing in combustion chamber 3
air, boost pressure p and leaked-in air temperature T
airbelong to described running parameter.
Static model is set up subsequently for analog temperature difference Δ T in square frame 102.Static state means in this case and occurs this temperature difference when described diesel engine 4 stably works.At this, distinguish three kinds of models:
In the first static models, described temperature difference Δ T determines as the function of the emitted dose q of fuel and the rotating speed n of diesel engine 4.For this reason, the combined characteristic curve of the temperature difference Δ T about emitted dose q, rotating speed n and change is measured once by means of spark plug center electrode temperature measuring set.Described temperature difference Δ T is tried to achieve based on the parameter rotating speed n measured in square frame 101 and emitted dose q from the combined characteristic curve be kept at engine controller 7.
According to plug 2 of being ignited by red-hot head consume for reaching desired temperature T
despower P determine second static models of trying to achieve temperature difference Δ T.Be suitable at this:
ΔT＝a(T
Des)*exp(-b(T
Des)*(T
Des/P)) (1)
The ratio TP of temperature and power
TP＝T
Des/P (2)
To ignite for red-hot head in other words the yardstick of cooling of plug 2 for the ignite yardstick of efficiency of plug 2 of red-hot head.Input red-hot head ignite plug 2 in order to realize desired temperature T
despower P higher, described red-hot head plug 2 of igniting cools stronger.
For determining that the 3rd model of temperature difference Δ T is based on temperature difference and air quality m
airand the temperature T of air
airthe boost pressure p of air and its temperature T in other words
airrelation.By following relation, the air namely inputting firing chamber is more, and boost pressure p just increases.Following calculating described temperature difference Δ T:
ΔT＝a*m
Air+b+(c*T
Air+d) (3)
In other words
ΔT＝a·p+b+(c·T
Air+d) (4)
At this, described coefficient a, b, c, d are based on measurement and disposablely determine.
After determining that static model terminates, the following astable model set up for temperature difference Δ T in square frame 103:
ΔT
instat＝ΔT
old*exp(-dt/τ)+ΔT·(1-exp(-dt/τ)) (5)
Wherein
Δ T is the temperature difference of the model of the static state determined in square frame 102,
Δ T
oldthe astable temperature difference determined in previous measuring period,
Dt is the time lag of measuring period,
τ is time constant, this time constant represent diesel engine 4 arrange wherein red-hot head ignite plug cylinder in red-hot head to ignite the thermal inertia of plug 2.
Describe the current of temperature difference by the exponential function in equation (5) and have value Δ T to be determined
instatwhich kind of degree is subject to the astable value Δ T determined in previous measuring period of temperature difference
oldimpact.
Subsequently, in square frame 104 by astable temperature difference Δ T
instatbe used in red-hot head ignite plug 2 temperature adjustment among, this adjustment is implemented by fever time controller 3.At this, determine that red-hot head is ignited the Current Temperatures T of plug, method be the measurement first carried out by means of the electric current of igniting to red-hot head on the red-hot silk of plug 2 and voltage to try to achieve the resistance R of red-hot silk, from this resistance, infer temperature T (R).As an alternative, temperature can be determined by measuring electric power or power and resistance.By the temperature difference Δ T determined in square frame 103
instatbe added on this temperature T (R), obtain actual temperature T thus.
T＝T(R)+ΔT
instat (6)
Consider in equation (6), hot-fluid needs the regular hour from the red-hot head inner red-hot silk of plug of igniting to red-hot head plug surface of igniting, and this must take in as time deviation in adjustment process.The rating value of the temperature T so tried to achieve and temperature is compared.Regulate the red-hot head of input to ignite the electric current of plug according to the difference therefrom obtained, thus be adjusted to desired temperature.
Claims (11)
1. for determining that red-hot head in internal-combustion engine is ignited the method for temperature of plug, wherein, according at least one running parameter (q, n, m of described internal-combustion engine (4)
air, p, T
air) and/or the ignite running parameter of plug (2) of described red-hot head between described red-hot head ignites temperature that the temperature of the inner red-hot head heater of plug (2) and described red-hot head ignite on the arbitrary position of plug (2), try to achieve temperature difference (Δ T), it is characterized in that, according to function of time determination temperature difference (Δ T
instat) and from representing the temperature value (T (R)) of measured value and depending on temperature difference (the Δ T of the described function of time
instat) in try to achieve described red-hot head and to ignite the temperature (T) of plug (2).
2. by method according to claim 1, it is characterized in that, the described function of time is determined by time constant (τ), once for described red-hot head plug (2) of igniting is tried to achieve and preserves described time constant.
3., by the method described in claim 1 or 2, it is characterized in that, the described function of time represents current temperature difference (the Δ T tried to achieve
instat) be subject to previous temperature difference (T
old) effect.
4. by method according to claim 3, it is characterized in that, described by previous temperature difference (T by exponential function or power series
old) to current temperature difference (the Δ T tried to achieve
instat) impact that produces.
5., by the method described in claim 1 or 2, it is characterized in that, measure running parameter (q, n, m of described internal-combustion engine (4)
air, p, T
air) and/or described red-hot head ignite the characteristic (TP) of plug (2) for trying to achieve the temperature difference (Δ T) of the stable state under the stable condition of internal-combustion engine (4), and therefrom calculate temperature difference (the Δ T in order to determine to depend on the function of time
instat) temperature difference (Δ T) of stable state quoted.
6. by method according to claim 5, it is characterized in that, measure rotating speed (n) and the emitted dose (q) of described internal-combustion engine (4), calculated first temperature difference (Δ T) of stable state by described rotating speed and emitted dose.
7. by method according to claim 5, it is characterized in that, measure and to be ignited the power (P) that plug (2) consumes by described red-hot head, in order to realize specific temperature (T
des) need this power, and from this power, calculate second temperature difference (Δ T) of stable state.
8. by method according to claim 5, it is characterized in that, measure air quality (m
air) and/or air quality (m
air) boost pressure (p) and air quality (m
air) temperature (T
air), and therefrom calculate the 3rd temperature difference (Δ T) of stable state.
9., by the method described in claim 1 or 2, it is characterized in that, will temperature difference (the Δ T of the described function of time be depended on
instat) be supplied to red-hot head and ignite the adjustment of temperature of plug (2), wherein, determine that this red-hot head is ignited the temperature (T (R)) of representative measured value of plug (2) according to the ignite resistance (R) of red-hot silk of guiding electric current of plug (2) of described red-hot head, wherein, by described temperature difference (Δ T
instat) be added to described red-hot head ignite plug (2) representative described in measured value temperature value (T (R)) on, thus obtain regulate actual value.
10. for determining that red-hot head in internal-combustion engine is ignited the device of temperature of plug, wherein, according at least one running parameter (q, n, m of described internal-combustion engine (4)
air, p, T
air) between described red-hot head ignites temperature that the temperature of the inner red-hot head heater of plug (2) and described red-hot head ignite on the arbitrary position of plug (2), try to achieve temperature difference (Δ T), it is characterized in that existing according to function of time determination temperature difference (Δ T
instat) and from the temperature value (T (R)) representing measured value and the described temperature difference depending on the described function of time, try to achieve described red-hot head to ignite the mechanism (5,7) of the temperature (T) of filling in (2).
11. by device according to claim 10, it is characterized in that, the red-hot head stretched in the firing chamber (3) of described internal-combustion engine (4) plug (2) of igniting is connected with controller (5,7), and described controller is according to running parameter (q, n, m of described internal-combustion engine (4)
air, p, T
air) determine described in depend on temperature difference (the Δ T of the described function of time
instat).
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009046658.4 | 2009-11-12 | ||
| DE102009046658 | 2009-11-12 | ||
| DE102009047650.4A DE102009047650B4 (en) | 2009-11-12 | 2009-12-08 | Method and device for determining the temperature of a glow plug in an internal combustion engine |
| DE102009047650.4 | 2009-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102062036A CN102062036A (en) | 2011-05-18 |
| CN102062036B true CN102062036B (en) | 2015-01-28 |
Family
ID=43877487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010544082.8A Active CN102062036B (en) | 2009-11-12 | 2010-11-11 | Method and device for ascertaining a temperature of a sheathed-element glow plug in an internal combustion engine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8322920B2 (en) |
| JP (1) | JP5911193B2 (en) |
| CN (1) | CN102062036B (en) |
| DE (1) | DE102009047650B4 (en) |
| FR (1) | FR2952409B1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011085435A1 (en) * | 2011-10-28 | 2013-05-02 | Robert Bosch Gmbh | Method and device for determining a surface temperature of a glow plug in an internal combustion engine |
| DE102012102005B3 (en) | 2012-03-09 | 2013-05-23 | Borgwarner Beru Systems Gmbh | Method for regulating temperature of glow plug, involves applying defined voltage to glow plug, measuring heating current, calculating value from voltage and current and obtaining temperature associated with defined voltage |
| DE102012101999B4 (en) * | 2012-03-09 | 2016-01-28 | Borgwarner Ludwigsburg Gmbh | Method of operating a ceramic glow plug |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880747A (en) * | 2005-05-06 | 2006-12-20 | 玛涅蒂玛瑞利动力系公开有限公司 | Internal combustion engine provided with a heating device in a combustion chamber and a control method for the heating device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59103970A (en) * | 1982-12-03 | 1984-06-15 | Nippon Denso Co Ltd | Engine preheat controller |
| DE3737745A1 (en) * | 1987-11-06 | 1989-05-18 | Bosch Gmbh Robert | METHOD AND DEVICE FOR REGULATING THE TEMPERATURE, IN PARTICULAR OF GLOW PLUGS |
| JPH01267366A (en) * | 1988-04-15 | 1989-10-25 | Mazda Motor Corp | Glow plug control device for diesel engine |
| EP1406046B1 (en) * | 2001-06-19 | 2014-12-31 | NGK Spark Plug Co., Ltd. | Glow plug and glow plug manufacturing method |
| DE10348391B3 (en) * | 2003-10-17 | 2004-12-23 | Beru Ag | Glow method for diesel engine glow plug, uses mathematical model for optimized heating of glow plug to its operating temperature |
| DE102006060632A1 (en) | 2006-12-21 | 2008-06-26 | Robert Bosch Gmbh | Method for regulating the temperature of a glow plug of an internal combustion engine |
| EP2122157A1 (en) * | 2007-03-09 | 2009-11-25 | Beru AG | Method and device for glowplug ignition control |
| DE102009046438A1 (en) * | 2009-11-05 | 2011-05-12 | Robert Bosch Gmbh | Method for controlling or controlling the temperature of a glow plug |
-
2009
- 2009-12-08 DE DE102009047650.4A patent/DE102009047650B4/en active Active
-
2010
- 2010-11-01 US US12/925,925 patent/US8322920B2/en active Active
- 2010-11-10 FR FR1059270A patent/FR2952409B1/en active Active
- 2010-11-11 JP JP2010253098A patent/JP5911193B2/en active Active
- 2010-11-11 CN CN201010544082.8A patent/CN102062036B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1880747A (en) * | 2005-05-06 | 2006-12-20 | 玛涅蒂玛瑞利动力系公开有限公司 | Internal combustion engine provided with a heating device in a combustion chamber and a control method for the heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110134960A1 (en) | 2011-06-09 |
| DE102009047650A1 (en) | 2011-05-19 |
| DE102009047650B4 (en) | 2022-10-06 |
| FR2952409B1 (en) | 2016-03-11 |
| JP5911193B2 (en) | 2016-04-27 |
| CN102062036A (en) | 2011-05-18 |
| JP2011106454A (en) | 2011-06-02 |
| US8322920B2 (en) | 2012-12-04 |
| FR2952409A1 (en) | 2011-05-13 |
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